M4300 and M4500 Liquid Level Single Point Switches

Madison's M4300 and M4500 liquid level single point switches feature brass stems and BUNA-N floats.

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The Madison M4300 full-size liquid level switch and M4500 miniature liquid level switch feature brass stems and BUNA-N floats.

  • BUNA-N composition ensures operation in temperature range of -50 C to 120 C
  • For high- or low-level indication, pump up or pump down, and valve control
  • Can be horizontally or vertically mounted to meet application needs
  • For use with relays, controllers, PLCs and intrinsically safe barriers
  • Allows coupling to digital displays and controllers¬†
  • Applications include high- or low-level alarm, liquid measurement and overflow protection in fuel tanks, transmissions and hydraulic systems
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